1、MAIN FUNCTIONS: Including 5pcs wood milling cutter bits, mainly used for wood trimming, 3D free angle and cutting, slotting, milling, etc. 2、EXCELLENT METAL: These milling cutters are made of tungsten steel alloy with no backlash design, and tungsten carbide tips can improve strength. 3、COATING FINISH: These milling cutters have blue coating that better removes chips and reduces friction, maintaining high sharpness and lubricity. 4、STANDARD DESIGN: The router bit comes with standard 1/4 inch shank to ensure stable installation, and dual bearings to ensure stable rotation. 5、WIDE APPLICATION: These milling cutters are applicable to wood, MDF, particle board, plywood and other compact panels, with strong practicability.